To make a donation appear as Anonymous on a Participant's page, do the following: 
  1. Find the TeamRaiser event under Fundraising -> TeamRaiser. 
  2. Click Manage next to the TeamRaiser. 
  3. Search for the Participant and click their name. 
  4. At the bottom of the Participant record, find the gift that that you want to make Anonymous and click View/Edit. 
  5. Enter Anonymous in under 5. Recognition Name. 
  6. Click Finish.